Mathematics, 05.07.2019 16:20 naiajNan

Select all the correct answers. a supermarket is testing brands of microwave popcorn. for each brand, they recorded the percentage of corn kernels in a package that popped in the recommended cooking time. let a be the data set of percentages listed below. a = {91, 94, 89, 93, 87, 92, 86, 87, 92, 91} the supermarket then realized they missed a brand. when the new brand was cooked, only 74% of its kernels popped. let b be the data set of percentages for all 11 packages, including the package where the least kernels popped. select the statements that are true. the mean of a is the same as the mean of b. including the percentage for the package where the least kernels popped causes the center of the data to increase. the standard deviation of b is greater

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Answers: 1

Answer

Mathematics, 21.06.2019 21:30

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Answers: 3

Answer

You know the right answer?

Select all the correct answers. a supermarket is testing brands of microwave popcorn. for each brand...

Questions